// 引入createApp用于创建应用
import { createApp, onMounted, onUpdated } from 'vue'
// 引入App根组件
import App from './App.vue'

// 创建一个App根组件，将它挂载到页面app上
const app = createApp(App)
app.directive('focus', (el) => {
    el.focus()
})
app.mount('#app')
